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Official data from INPI

GRADE DE PROTECAO PARA MICRO-VENTILADOR COM FILTRO

Em AnáliseUtility Model

Application data

Number

MU6501763

Type

Utility Model

Filing

11/12/1985

Publication

06/09/1987

Progress at the INPI

  1. Filing11/12/85
  2. Publication06/09/87
  3. Examination11/07/89
  4. Allowance05/26/92
  5. Grant03/30/93
  6. Expired12/19/95

The letters patent expired on 12/19/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Eletro Plásticos Caramurú Ltda

SP, BR

Inventors

R. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/07/1989

RPI 994

Publicação do pedido de patente

#3.1

06/09/1987

RPI 868

Pedido de patente depositado

#2.1

03/11/1986

RPI 803

Carta-patente expirada

#21.1

12/19/1995

RPI 1307

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

10/20/1992

RPI 1142

Deferimento

#9.1

05/26/1992

RPI 1121

Exigência - art. 36 da LPI

#6.1

09/17/1991

RPI 1085

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